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Writhed-billed Hornbill

Rhyticeros waldeni (Sharpe, 1877)

The Walden's Hornbill (Aceros waldeni), also known as the Visayan Wrinkled Hornbill, Rufous-headed Hornbill or Writhed-billed Hornbill, is a critically endangered species of hornbill living in the rainforests on the islands of Negros and Panay in the Philippines. It is closely related to the Writhed Hornbill, but can be recognized by the yellow throat and ocular skin in the male, and the blue throat and ocular skin in the female (both throat and ocular skin are deep orange or red in both sexes of the Writhed Hornbill). Its binomial name commemorates the Scottish ornithologist Viscount Walden. Source: Wikipedia

Order:
  Bucerotiformes
Family:
  Bucerotidae
Genus:
  Rhyticeros

Scientific:
  Rhyticeros waldeni

Citation:
  (Sharpe, 1877)

Reference:
  J.Linn.Soc.LondonZool. 13 p.156

Protonym:
  Craniorrhinus [sic] waldeni

Avibase ID:
  522A2DFD819AA95D

Short link:
  https://avibase.ca/522A2DFD

Taxonomic Serial Number:
TSN: 554440


CRITICALLY ENDANGERED

Geographic range:

  • Rhyticeros waldeni: Central Philippines (Panay, Guimaras and Negros)
English:
Writhed-billed Hornbill
Czech:
zoborožec žlutobradý
German:
Waldenhornvogel
Danish:
Panayrynkenæb
Spanish:
Cálao Grande de Panay
Finnish:
visayasinsarvinokka
French:
Calao de Walden
Icelandic:
Krumphorni
Italian:
Bucero beccorugoso
Japanese:
akagashirasaichou
Japanese:
アカガシラサイチョウ
Dutch:
Waldens Jaarvogel
Norwegian:
Negroshornfugl
Norwegian Nynorsk:
Negroshornfugl
Polish:
dzioborozec kasztanowoglowy
Russian:
Калао Валдена
Slovak:
zobákorožec hnedohlavý
Swedish:
Waldens näshornsfågel
Ukrainian:
Калао негроський
Chinese:
扭嘴犀鸟


Authorities recognizing this taxonomic concept:

Avibase taxonomic concepts (current):
Writhed-billed Hornbill ( Rhyticeros waldeni) [version 1]
Avibase taxonomic concepts v. 01 (August 2013):
Writhed-billed Hornbill ( Aceros waldeni) [version 1]
Avibase taxonomic concepts v. 02 (May 2014):
Writhed-billed Hornbill ( Aceros waldeni) [version 1]
Avibase taxonomic concepts v. 03 (March 2015):
Writhed-billed Hornbill ( Rhyticeros waldeni) [version 1]
Avibase taxonomic concepts v. 04 (Aug 2016):
Writhed-billed Hornbill ( Rhyticeros waldeni) [version 1]
Avibase taxonomic concepts v. 05 (Jan 2017):
Writhed-billed Hornbill ( Rhyticeros waldeni) [version 1]
Avibase taxonomic concepts v. 06 (Feb 2018):
Writhed-billed Hornbill ( Rhyticeros waldeni) [version 1]
Birdlife checklist version 00:
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 01:
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 02:
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 03:
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 04:
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 05 (Jun 2012):
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 05.1 (Oct 2012):
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 06 (Nov 2013):
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 06.1 (Feb 2014):
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Birdlife checklist version 07 (Jul 2014):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Birdlife checklist version 08 (Oct 2015):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Birdlife checklist version 09 (Dec 2016):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Birdlife checklist version 09.1 (Jun 2017):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
HBW and BirdLife Taxonomic Checklist v2 (Dec 2017):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
HBW and BirdLife Taxonomic Checklist v3 (Nov 2018):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Commission internationale pour les noms français des oiseaux (1993, révision 2009):
Calao de Walden ( Aceros waldeni) [version 1]
Commission internationale pour les noms français des oiseaux (1993):
Calao de Walden ( Aceros waldeni) [version 1]
Clements 4th edition:
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 5th edition (as published):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 5th edition (incl. 2000 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 5th edition (incl. 2001 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 5th edition (incl. 2002 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 5th edition (incl. 2003 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 5th edition (incl. 2004 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 5th edition (incl. 2005 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition:
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (incl. 2007 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (incl. 2008 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (incl. 2009 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (version 6.5 incl. 2010 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (version 6.6 incl. 2011 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (version 6.7 incl. 2012 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (version 6.8 incl. 2013 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements 6th edition (version 6.9 incl. 2014 revisions):
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
Clements, version 2015:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Clements, version 2016:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Clements, version 2017:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Clements, version 2018:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Clements, version 2019:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
eBird version 1.50:
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
eBird version 1.52:
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
eBird version 1.53:
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
eBird version 1.54:
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
eBird version 1.55:
Writhe-billed Hornbill ( Aceros waldeni) [version 1]
eBird version 2015:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
eBird version 2016:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
eBird version 2017:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
eBird version 2018:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
eBird version 2019:
Writhe-billed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Howard and Moore 2nd edition:
Aceros leucocephalus waldeni [version 1]
Howard and Moore 2nd edition (incl. ? suppl):
Writhed-billed Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (as published):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 1.2):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 2.1):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 3.1):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 4):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 5):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 6):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 7):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 3rd edition (incl. corrigenda 8):
Walden's Hornbill ( Aceros waldeni) [version 1]
Howard and Moore 4th edition (vol. 1-2):
Walden's Hornbill ( Rhyticeros waldeni) [version 1]
Howard and Moore 4th edition (incl. corrigenda vol.1-2):
Walden's Hornbill ( Rhyticeros waldeni) [version 1]
Handbook of the Birds of the World (vol 1-16):
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2017):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Handbook of the Birds of the World Alive (31/01/2015):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Handbook of the Birds of the World Alive (03/07/2017):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2018):
Rufous-headed Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 1.0:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 1.1:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 1.5:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 1.6:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 1.7:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.0:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.1:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.2:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.3:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.4:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.5:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.6:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.7:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.8:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.9:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.10:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 2.11:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 3.1:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 3.2:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 3.3:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 3.4:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 3.5:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 4.1:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 4.2:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 4.3:
Walden's Hornbill ( Aceros waldeni) [version 1]
IOC World Bird Names, version 4.4:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 5.1:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 5.2:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 5.3:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 5.4:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 6.1:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 6.2:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 6.3:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 6.4:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 7.1:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 7.2:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 7.3:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 8.1:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 8.2:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 9.1:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
IOC World Bird Names, version 9.2:
Walden's Hornbill ( Rhabdotorrhinus waldeni) [version 1]
Oriental Bird Club:
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
James Lee Peters (original):
Aceros leucocephalus waldeni [version 1]
James Lee Peters (2nd edition):
Aceros leucocephalus waldeni [version 1]
Sibley and Monroe (1993):
Writhed-billed Hornbill ( Aceros waldeni) [version 1]
Sibley and Monroe (1993, including corrections up to 1998):
Writhed-billed Hornbill ( Aceros waldeni) [version 1]
Sibley and Monroe 2nd edition (1996):
Rufous-headed Hornbill ( Aceros waldeni) [version 1]
Zoonomen - Zoological Nomenclature Resource:
Aceros waldeni [version 1]
Zoonomen - Zoological Nomenclature Resource:
Aceros waldeni [version 1]

Taxonomic status:

Species status: full species (sometimes a subspecies)

This taxon is considered a subspecies of Rhyticeros [leucocephalus or waldeni] (sensu lato) by some authors

Your sightings

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Related taxa

Other synonyms


Catalan: Calau de Walden
Czech: zoborožec žlutobradý
Danish: Panayrynkenæb
German: Waldenhornvogel
English: Panay Wrinkled Hornbill, Rufous-headed Hornbill, Visayan Wrinkled Hornbill, Walden's Hornbill, Writhe-billed Hornbill, Writhed billed Hornbill, Writhed-billed Hornbill
English (IOC): Walden's Hornbill
Spanish: Cálao de Pico Torcido, Cálao Grande de Panay
Spanish (Spain): Cálao grande de Panay
Spanish (HBW): Writhe-billed Hornbill
Estonian: panay sarvlind
Finnish: Visayasinsarvinokka
French: Calao à bec tordu, Calao de Walden
Hungarian: vörösnyakú szarvascsőrű
Icelandic: Krumphorni
Italian: Bucero beccorugoso, Bucero testarossiccia
Japanese: akagashirasaichou, akahashisaichou
Japanese: アカガシラサイチョウ, アカハシサイチョウ
Scientific: Aceros leucocephalus waldeni, Aceros waldeni, Craniorrhinus [sic] waldeni, Rhabdotorrhinus waldeni, Rhyticeros waldeni
Lithuanian: Rusvagalvis aceras
Dutch: Visayanjaarvogel, Waldens Jaarvogel
Norwegian Nynorsk: Negroshornfugl
Norwegian: Negroshornfugl
Polish: dzioborozec kasztanowoglowy, dzioborożec kasztanowogłowy
Russian: Калао Валдена
Slovak: zobákorožec hnedohlavý
Swedish: Visayahornkorp, Waldens näshornsfågel
Ukrainian: Калао негроський
Chinese: 扭嘴犀鸟
Chinese (Traditional): 皺嘴皺盔犀鳥

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